With a large enough sample, any outrageous thing is likely to happen. Littlewood considered an event which occurs one in a million times to be "surprising." Taking this definition, close to 100000 surprising events are "expected" each year in the United States alone and, in the world at large, "we can be absolutely sure that we will see incredibly remarkable events".

coincidence | frivolous theorem of arithmetic | strong law of large numbers | strong law of small numbers